800 kV wall-through sleeve
adapter sleeve
接头套筒
适配套筒
定心套筒
紧固套
联结套管
连接套管
接装套筒
紧定套
紧固件
连接套
接头套
alighting carriage guide sleeve
aluminum retaining sleeve
amount of sliting sleeve head
an innovative microsurgical blood vessel anastomosis sleeve
angle of tapered sleeve
Anticollisive seel sleeve
apparatus porcelain sleeve